.action-btn {
  position: fixed;
  bottom: 2.8rem;
  right: 2.8rem;
  display: flex;
  flex-direction: column-reverse;
  align-items: center;
  z-index: 1001;
  &.is-active {
    ul {
      visibility: visible;
    }

    .action-btn__reply,
    .action-btn__post {
      opacity: 1;
      transform: scale(1) translate3d(0, 0, 0);
    }

    .action-btn__plus {
      img {
        transform: rotate(225deg);
      }
    }
  }

  &__link {
    color: #ffffff;
    border-radius: 50%;
    background-color: $brand-primary;
    text-align: center;
    box-shadow: 0 0 4px rgba(0,0,0,.14),
                0 4px 8px rgba(0,0,0,.28);
    width: 2rem;
    height: 2rem;
    &:hover {
      color: #ffffff;
      box-shadow: 0 0 6px rgba(0,0,0,.16),
                  0 6px 12px rgba(0,0,0,.32);
      transition: box-shadow 150ms cubic-bezier(0,0,.2,1);
      text-decoration: none;
    }
  }

  ul {
    position: absolute;
    bottom: 2.8rem;
    right: 9px;
    visibility: hidden;
    > li {
      margin-bottom: 10px;
      position: relative;
    }
  }

  &__reply,
  &__post {
    display: block;
    opacity: 0;
    transform: scale(0.4) translate3d(0, 10px, 0);
    transition: all .2s cubic-bezier(.4,0,.2,1);
    line-height: 2rem;
  }

  &__plus {
    width: 2.8rem;
    height: 2.8rem;
    position: relative;
    text-align: center;
    > img {
      margin-top: 16px;
      transition: transform .2s cubic-bezier(.4,0,.2,1);
    }
  }


  &__reply {
    background-color: $brand-success;
  }

  &__post {
    background-color: $brand-danger;
  }
}
